| May 2000 | Hail | Manchester | $4,000,000 | no account filed |
| May 2003 | Thunderstorm Wind | Manchester | $2,000,000 | Also reported by law enforcement |
| October 2007 | Flash Flood | Manchester | $500,000 | There were several reports of rainfall of 6 inches in the city of Manchester, with a trained spotter measuring 3 inches in one hour. Considerable basement and street flooding occurred, and there was some damage to gravel roads in the surrounding rural areas. Water was knee deep in some parts of the city, and many streets were closed. About 150 homes in the area had basement flooding or damage to foundations. The administration building at Manchester's school bus garage was flooded with two feet of water on the main floor. In only about 3 hours, the city received twice as much rain as it usually gets in the entire month of October. |
| July 2010 | Flood | Manchester | $100,000 | Heavy rains on July 22 and 23 caused the Maquoketa River to rise 3 feet in about 2 hours during the late afternoon and evening of July 23. Some docks and decks were damaged along the river. |
| July 1995 | Thunderstorm Wind | Manchester | $75,000 | no account filed |
| April 1994 | Thunderstorm Wind | Manchester | $50,000 | no account filed |
| July 2008 | Lightning | Manchester | $15,000 | Lightning struck the Delaware County Courthouse at 418 am July 21 damaging the roof, security camera system, elevator, telephone system, and wireless connection to the engineer's office. |
| July 2006 | Lightning | Manchester | $10,000 | Some time between 1045 and 1115 CST lightning struck one of the West Delaware School District buildings and destroyed the phone system. |
| June 2005 | Thunderstorm Wind | Manchester | $10,000 | Trees and power lines down. |
| April 1997 | Thunderstorm Wind | Manchester | $10,000 | no account filed |
| July 1995 | Thunderstorm Wind | Manchester | $10,000 | no account filed |
| July 1995 | Thunderstorm Wind | Manchester | $10,000 | no account filed |
| July 2022 | Lightning | Manchester | $5,000 | The Emergency Manager relayed a report that lightning struck a house and put a hole in the roof. The exact time of the event is unknown but used the time that it was reported to the local EMA. |
| August 2010 | Flash Flood | Manchester | $5,000 | Heavy rains resulted in flash flooding of a gravel road near Manchester, IA during the afternoon and evening of August 13. |
| May 2004 | Flash Flood | Manchester | $5,000 | Water 1 foot deep on roads with debris. |
| May 2004 | Thunderstorm Wind | Manchester | $5,000 | no account filed |
| July 2006 | Thunderstorm Wind | Manchester | $2,000 | Civil Defense reported many 1 to 1.5 inch diameter branches down with a few 4 inch diameter branches down. |
| June 1998 | Thunderstorm Wind | Manchester | $2,000 | Buildings were damaged by strong thunderstorm winds. |
| April 2026 | Flash Flood | Manchester | - | Emergency management reported several roads washed out. |
| March 2025 | Thunderstorm Wind | Manchester | - | Measured by wind equipement. |
| June 2025 | Thunderstorm Wind | Manchester | - | Large lighting pole was downed at baseball field at fairgrounds. |
| July 2025 | Thunderstorm Wind | Manchester | - | Broadcast Media relayed a report of a large tree uprooted in Manchester, which fell on a fence. The time and location of the event were estimated using radar. |
| July 2025 | Thunderstorm Wind | Manchester | - | The Emergency Manager reported that trees and power lines are down. |
| April 2024 | Thunderstorm Wind | Manchester | - | A public report of an estimated 60 MPH thunderstorm wind gust. There was a fence blown down with tree limbs knocked down. |
| July 2023 | Thunderstorm Wind | Manchester | - | A trained spotter reported a 70 mph wind gust with the thunderstorm. |
| March 2023 | Tornado (EF1) | Manchester | - | An EF1 tornado moved from 3 miles southwest of Manchester through the southeast part of town. This tornado damaged to structures and trees along its path, with estimated peak winds around 110 mph. |
| August 2022 | Thunderstorm Wind | Manchester | - | The Emergency Manager reported that a livestock building was flipped over. The time of the event was estimated based on radar. |
| August 2022 | Thunderstorm Wind | Manchester | - | The Emergency Manager reported tree branches down and tree damage around town. |
| July 2022 | Thunderstorm Wind | Manchester | - | The Emergency Manager reported downed power lines. |
| July 2021 | Tornado (EF1) | Manchester | - | An EF-1 tornado briefly touched down on the southwest side of town damaging several farm outbuildings and a large show barn. No injuries were reported. |
| August 2021 | Thunderstorm Wind | Manchester | - | A roof peeled off a downtown building, with several trees blown down in downtown. |
| June 2021 | Thunderstorm Wind | Manchester | - | Tree branches were blown down, resulting in city needing to clear up. |
| September 2020 | Thunderstorm Wind | Manchester | - | A strong wind gust was reported by broadcast media. |
| June 2020 | Thunderstorm Wind | Manchester | - | The Emergency Manager reported that part of a roof was torn off of rural building. The time of the event was estimated using radar. |
| May 2019 | Flash Flood | Manchester | - | Fish Hatchery Road washed out as Spring Branch creek rose quickly out of its banks. |
| September 2019 | Thunderstorm Wind | Manchester | - | Trees and branched reported blown down near east Main Street and D5X. |
| June 2018 | Thunderstorm Wind | Manchester | - | Multiple trees were snapped off about halfway up on the trunk along Highway 13 north of Manchester. The time was estimated from radar. |
| June 2018 | Flash Flood | Manchester | - | Water was about one foot deep over the road on the north side of Manchester. The water was over the curbs of the road, and into the grass. |
| March 2017 | Thunderstorm Wind | Manchester | - | Iowa Department of Transportation road sensor measured this wind gust. |
| July 2016 | Thunderstorm Wind | Manchester | - | A storm survey team observed numerous tree branches down that were greater than 6 inches in diameter. The time is estimated based on radar. |
| June 2016 | Thunderstorm Wind | Manchester | - | Law enforcement reported a tree branch down in the 2200 block of Jefferson Road. The branch was large enough to require a deputy to remove it from the road. The time of this event is estimated from radar. |
| July 2016 | Thunderstorm Wind | Manchester | - | A public report of 2 estimated 8 inch in diameter trees were down. This report was received by Twitter and the time was estimated by radar. |
| June 2015 | Thunderstorm Wind | Manchester | - | Extensive damage reported 1 to 2 miles north of Manchester, including farm buildings flattened and trees snapped off. |
| June 2015 | Thunderstorm Wind | Manchester | - | Numerous trees reported blown down, and power lines downed across Delaware County. |
| June 2014 | Thunderstorm Wind | Manchester | - | The emergency manager reported numerous trees down. |
| July 2011 | Thunderstorm Wind | Manchester | - | Wind gusts estimated to be 65 mph broke some windows in some homes in Manchester, IA at 537 am CDT July 11. Some power outages were also observed. |
| May 2010 | Hail | Manchester | - | Quarter-sized hail fell just south of Manchester, IA at 935 pm May 12. |
| August 2010 | Thunderstorm Wind | Manchester | - | Wind gusts estimated to be 60 mph blew down a large tree in front of the West Delaware Lambert School building in Manchester, IA during the early morning of August 13. |
| August 2009 | Hail | Manchester | - | Quarter-sized hail fell about 3 miles south of Manchester, IA around 1236 pm August 9. |
| August 2009 | Thunderstorm Wind | Manchester | - | Wind gusts estimated to be 65 mph were observed about 3 miles south of Manchester, IA around 1236 pm August 9. |
| April 2008 | Heavy Rain | Manchester | - | The emergency manager reported water running over county roads especially from the southwest to the northeast portions of the county. |
| April 2008 | Flash Flood | Manchester | - | Emergency manager reported a few roads washed out in Delaware county, due to small streams overflowing onto some roads. |
| July 2008 | Hail | Manchester | - | Nickel-sized hail fell on the far southern edge of Manchester, IA at 612 pm July 10. Pea-sized hail was widespread. |
| July 2008 | Hail | Manchester | - | Quarter-sized hail fell on the far southern edge of Manchester, IA at 615 pm July 10. |
| July 2008 | Hail | Manchester | - | Nickel-sized hail fell 1 mile north of Manchester, IA at 1033 am July 10. Pea-sized hail fell in Manchester. |
| July 2008 | Hail | Manchester | - | Penny-sized hail fell 2 miles south of Manchester, IA at 1220 pm July 10. |
| September 2007 | Thunderstorm Wind | Manchester | - | Winds estimated to be 65 mph blew down some trees in Manchester, IA. |
| July 2005 | Thunderstorm Wind | Manchester | - | Jct of Highways 13 and 20 |
| June 2003 | Thunderstorm Wind | Manchester | - | Large tree down across highway |
| June 2002 | Flash Flood | Manchester | - | 145th Avenue impassable due to high water. |
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